<template>
  <div>
        <div id="slider" class="mui-slider">
            <div
                id="sliderSegmentedControl"
                class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted"
            >
                <div class="mui-scroll">
                <a :class="['mui-control-item', item.id ==0? 'mui-active' :'']" v-for="item in cates" :key="item.id"
                @click="getphotolistbycateid(item.id)"> 
                    {{item.title}}</a>
                </div>
            </div>
        </div>

        <ul class="photolist">
            <router-link  v-for="item in list" :key="item.id" :to="'/home/photoinfo/'+item.id" tag="li">
                <img v-lazy="item.img_url">
                <div class="info">
                    <h3 class="info-title">{{item.title}}</h3>
                    <div class="info-body">{{item.zhaiyao}}</div>
                </div>
            </router-link>
        </ul>
  </div>
</template>


<script>
import mui from "../../lib/mui/js/mui.min.js";


export default {
  data() {
    return {
        cates:[],
        list:[],
    };
  },
  created() {
      this.getAllCategory();
      this.getphotolistbycateid(0);
  },
  mounted () {
     mui(".mui-scroll-wrapper").scroll({
  deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
}); 
  },
  methods: {
      getAllCategory() {
          this.$http.get("api/getimgcategory").then(result=>{
              if(result.body.status === 0 ){
                  result.body.message.unshift({title:"全部",id:"0"});
                  this.cates=result.body.message;
              }
          })
        },
        getphotolistbycateid(cateId) {
            this.$http.get("api/getimages/"+cateId).then(result=>{
                if(result.body.status === 0){
                    this.list = result.body.message;
                }
            })
        }
    }
};
</script>

<style lang="scss" scoped>
* {
    touch-action: pan-y;
}
.photolist{
    list-style: none;
    margin: 0;
    padding: 10px;
    padding-bottom: 0;
    li{
        text-align: center;
        background-color: #ccc;
        margin-bottom: 10px;
        box-shadow: 0  0  9px #999;
        position: relative;
        img{
            width: 100%;
            display: block;
        }
        img[lazy=loading] {
            width: 40px;
            height: 300px;
            margin: auto;
        }

        .info{
            color: white;
            text-align: left;
            position: absolute;
            bottom: 0;
            background-color:rgba(0,0,0,0.4);
            max-height: 84px;
            .info-title{
                font-size: 14px;

            }
            .info-body{
                font-size: 13px;

            } 
        }
    }    
}
    

</style>
